Hanstone Receives Preliminary Metallurgical Results with Gold Recoveries up to 95.3% at Doc Property, British Columbia
Original announcement by tmx on
- Company
- Hanstone Gold Corp.
- Ticker
- HANS
- Exchange
- TSX
- Region
- British Columbia
- Primary commodity
- Gold
- Secondary commodities
- Silver, Iron ore, Lead, Sulfur
- Document categories
- Metallurgy
- Extracted
- 2026-09-18 03:29:12 UTC
Analysis by Minestarters Atlas
Minestarters Atlas analysis
Summary
Hanstone Gold Corp. has announced preliminary metallurgical results from a 54.5-kg bulk sample at its Doc Property in British Columbia. The testing demonstrated high gold recovery, with a gravity-leach flowsheet achieving 95.3% recovery from high-grade material averaging 32.2 g/t Au.
Reasoning: The release reports strong preliminary metallurgical results from a bulk sample, demonstrating high gold recovery potential using a gravity-leach circuit.
Positive factors
- High gold recovery (95.3%) achieved via gravity-leach flowsheet
- Excellent head grades (avg 32.2 g/t Au)
- Successful preliminary bulk sample testing
Facts used in scoring: 5
Classification and evidence
High Recoverypositive
Recovery at or above the exceptional band for the commodity and processing route.
Why it applies: Gravity-leach achieved 95.3% gold recovery, which is in the exceptional band for gold mill routes.
Evidence · text
“Combined gravity concentration and cyanide leaching (gravity-leach) achieved overall gold recovery of 95.3%.”
Mill Routeneutral
Processing via mill or concentrator (CIL, CIP, tank leach, flotation).
Why it applies: Testing involved gravity concentration and cyanide leaching.
Evidence · text
“Combined gravity concentration and cyanide leaching (gravity-leach)”
QA/QC Disclosedpositive · Story-specific tag
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: The release identifies a Qualified Person (Case Lewis P.Geo.) and mentions testing conducted by Sepro Laboratories.
Evidence · text
“Technical information in this news release has been reviewed and approved by Case Lewis P.Geo., a "Qualified Person"”
Gravity Routeneutral
Gravity separation forms a material part of the flowsheet.
Why it applies: the document describes a gravity route ("gravity")
Single Domain Onlynegative
Testing limited to one composite or domain — representativeness not established.
Why it applies: only one composite was tested
Extracted facts
Stored fact records: 5. Some facts used in scoring do not have a stored record.
Metallurgical Results (5)
gravityDoc Property · goldRecovery: 24.8 %Head Grade: 33.6Head Grade Unit: g/tView all detailsHide details
Identity
- Project
- Doc Property
- Commodity
- gold
- Region
- canada_bc
- Reported Region
- British Columbia
- Ticker
- HANS
Test Work
- Program Status
- preliminary
- Test Type
- gravity
- Sample
- 54.5-kilogram bulk sample from DOC22-Pit 2E, DOC22-Pit 2.5E, and DOC22-Pit 3E
- Grind P80
- 78 µm
Recovery
- Recovery
- 24.8 %
- Recovery Basis
- actual_test
- Head Grade
- 33.6
- Head Grade Unit
- g/t
Lab
- Laboratory
- Sepro Laboratories
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2023-02-08T00:00:00.000Z
Reasoning: Standard 3-stage gravity recovery is relatively low but expected for this stage of testing.
Evidence · table
“24.8”
Context: 78
Tags used in scoring
Gravity Routeneutral
Gravity separation forms a material part of the flowsheet.
Why it applies: processing_route matches the gravity signal
Low Recoverynegative
Recovery below the weak band for the commodity and processing route.
Why it applies: 24.8% is below the weak band (80%)
gravityDoc Property · goldRecovery: 30.7 %Head Grade: 34.8Head Grade Unit: g/tView all detailsHide details
Identity
- Project
- Doc Property
- Commodity
- gold
- Region
- canada_bc
- Reported Region
- British Columbia
- Ticker
- HANS
Test Work
- Program Status
- preliminary
- Test Type
- gravity
- Sample
- 54.5-kilogram bulk sample from DOC22-Pit 2E, DOC22-Pit 2.5E, and DOC22-Pit 3E
- Grind P80
- 45 µm
Recovery
- Recovery
- 30.7 %
- Recovery Basis
- actual_test
- Head Grade
- 34.8
- Head Grade Unit
- g/t
Lab
- Laboratory
- Sepro Laboratories
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2023-02-08T00:00:00.000Z
Reasoning: Finer grinding improved recovery compared to standard gravity.
Positive factors
- Finer grind increased recovery
Evidence · table
“30.7”
Context: 45
Tags used in scoring
Gravity Routeneutral
Gravity separation forms a material part of the flowsheet.
Why it applies: processing_route matches the gravity signal
Low Recoverynegative
Recovery below the weak band for the commodity and processing route.
Why it applies: 30.7% is below the weak band (80%)
flotationDoc Property · goldRecovery: 78 %Head Grade: 33.3Head Grade Unit: g/tView all detailsHide details
Identity
- Project
- Doc Property
- Commodity
- gold
- Region
- canada_bc
- Reported Region
- British Columbia
- Ticker
- HANS
Test Work
- Program Status
- preliminary
- Test Type
- flotation
- Processing Route
- flotation
- Sample
- 54.5-kilogram bulk sample from DOC22-Pit 2E, DOC22-Pit 2.5E, and DOC22-Pit 3E
- Grind P80
- 78 µm
Recovery
- Recovery
- 78 %
- Recovery Basis
- actual_test
- Head Grade
- 33.3
- Head Grade Unit
- g/t
Lab
- Laboratory
- Sepro Laboratories
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2023-02-08T00:00:00.000Z
Reasoning: Gravity-flotation shows significant recovery potential.
Positive factors
- Strong flotation recovery
Evidence · table
“78.0”
Context: 78
Tags used in scoring
Mill Routeneutral
Processing via mill or concentrator (CIL, CIP, tank leach, flotation).
Why it applies: processing_route matches the flotation signal
Low Recoverynegative
Recovery below the weak band for the commodity and processing route.
Why it applies: 78% is below the weak band (80%)
gravityDoc Property · goldRecovery: 95.3 %Head Grade: 31.5Head Grade Unit: g/tView all detailsHide details
Identity
- Project
- Doc Property
- Commodity
- gold
- Region
- canada_bc
- Reported Region
- British Columbia
- Ticker
- HANS
Test Work
- Program Status
- preliminary
- Test Type
- gravity
- Sample
- 54.5-kilogram bulk sample from DOC22-Pit 2E, DOC22-Pit 2.5E, and DOC22-Pit 3E
- Grind P80
- 78 µm
Recovery
- Recovery
- 95.3 %
- Recovery Basis
- actual_test
- Head Grade
- 31.5
- Head Grade Unit
- g/t
Lab
- Laboratory
- Sepro Laboratories
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2023-02-08T00:00:00.000Z
Reasoning: The gravity-leach circuit achieved very high gold recovery.
Positive factors
- Exceptional recovery
Evidence · table
“95.3”
Context: 78
Tags used in scoring
Gravity Routeneutral
Gravity separation forms a material part of the flowsheet.
Why it applies: processing_route matches the gravity signal
High Recoverypositive
Recovery at or above the exceptional band for the commodity and processing route.
Why it applies: 95.3% is at or above the exceptional band (95%)
flotationDoc Property · silverRecovery: 63.7 %View all detailsHide details
Identity
- Project
- Doc Property
- Commodity
- silver
- Region
- canada_bc
- Reported Region
- British Columbia
- Ticker
- HANS
Test Work
- Program Status
- preliminary
- Test Type
- flotation
- Processing Route
- flotation
- Sample
- 54.5-kilogram bulk sample from DOC22-Pit 2E, DOC22-Pit 2.5E, and DOC22-Pit 3E
Recovery
- Recovery
- 63.7 %
- Recovery Basis
- actual_test
Lab
- Laboratory
- Sepro Laboratories
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2023-02-08T00:00:00.000Z
Reasoning: Silver recovery reported during flotation testing.
Evidence · text
“silver recovery of 63.7%”
Tags used in scoring
Mill Routeneutral
Processing via mill or concentrator (CIL, CIP, tank leach, flotation).
Why it applies: processing_route matches the flotation signal
Low Recoverynegative
Recovery below the weak band for the commodity and processing route.
Why it applies: 63.7% is below the weak band (75%)
How Atlas produces this analysis
Minestarters Atlas uses automated extraction to summarize mining announcements, identify reported measurements, and classify supporting evidence. Sentiment reflects the extracted narrative and classification rules; it is an interpretation, not a reported measurement. Evidence quotes and context are provided where available. Missing data, low-confidence results, and review flags indicate limitations. Check the original publisher announcement before relying on an interpretation.